this is the san mateo bridge, just about 20 minutes ago we could see the fog has settled on to the span, very, very slow, traffic moving, but you should take it slow, it is thick in waves and you come up on it, so fast, limited visibility on all san francisco, all bay area bridges i should say, here is the bay bridge, metering lights just turned on, traffic beginning to back towards the overcrossing, metering lights will be slowing you as you head towards san francisco and thick fog on the deck. looking at our waze app getting under the fog showing your commute a lot of our traffic cameras are fogged in this is looking at 238 in hayward, 580 out of castro valley reporting heavy traffic here. 580 towards san leandro, foggy. to download this app, it is tree on the app store or gaggle help -- it is free, on the app store or google, help navigate your commute. >>> dense fog advisory in here's another live look at the golden gate bridge or what you can see, visibility is low now. here's video amy hollyfield and ian back dock shot this morning, thick fog -- babcock shot this morning, thick fog at 6